<template>
    <div class="login-page">
      <!-- 登录头部 -->
      <van-nav-bar
        title="登录"
      />

      <!-- 表单内容 -->
        <van-form @submit="onSubmit">
        <van-field
            v-model="username"
            name="username"
            label="用户名"
            placeholder="请输入用户名"
            :rules="[
              { required: true, message: '请填写用户名' },
              { pattern: /^\w{5,}$/, message: '用户名至少包含5个字符'}
            ]"
        />
        <van-field
            v-model="password"
            type="password"
            name="password"
            label="密码"
            placeholder="请输入密码"
            :rules="[
              { required: true, message: '请填写密码' },
              { pattern: /^\w{6,}$/, message: '用户名至少包含6个字符'}
            ]"
        />
        <div style="margin: 16px;">
            <van-button block type="info" native-type="submit">提交</van-button>
        </div>
        </van-form>
        <router-link class="link" to="/register">注册账号</router-link>
    </div>
</template>

<script>
import { login } from '@/api/user'
import { setToken } from '@/utils/storage'
export default {
  name: 'LoginPage',
  data () {
    return {
      username: '',
      password: ''
    }
  },
  methods: {
    // 监听表单的提交，形参中：可以获取到输入框的值
    async onSubmit (values) {
      // console.log('submit', values)
      const { data } = await login(values)
      // 1、成功的提示
      this.$toast('登录成功')
      // 2、将token存入本地
      setToken(data.token)
      // 3、跳转首页
      this.$router.push('/')
    }
  }

}
</script>

<style lang="less" scoped>
  .van-button--info {
    color: #fff;
    background-color: orange;
    border: 1px solid orange;
  }

  .link {
    color:#069;
    font-size: 12px;
    padding-right: 20px;
    float: right;
  }
</style>
